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Embedded partially replicated designs for grain quality testing

Conference Paper


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Abstract


  • The literature on the design and analysis of cereal variety trials has focussed on

    the trait of grain yield. Such trials are also used to obtain information on grain quality traits

    but these are rarely subjected to the same level of statistical rigour. The data are often obtained

    using composite rather than individual replicate samples. This precludes the use of an

    efficient statistical analysis. In this paper we propose an approach in which a proportion of

    varieties is grain quality tested using individual replicate samples. This is achieved by embedding

    a partially replicated design (for measuring quality traits) within a fully replicated design

    (for measuring yield). This allows application of efficient mixed model analyses for both grain

    yield and grain quality traits.

Publication Date


  • 2009

Citation


  • Smith, A. B., Thompson, R. & Cullis, B. R. (2009). Embedded partially replicated designs for grain quality testing. XIV meeting of the Biometrics in Plant Breeding Section: Book of Abstracts (pp. 27-27). Scottish Crop Research Institute.

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=9408&context=infopapers

Ro Metadata Url


  • http://ro.uow.edu.au/infopapers/2073

Start Page


  • 27

End Page


  • 27

Abstract


  • The literature on the design and analysis of cereal variety trials has focussed on

    the trait of grain yield. Such trials are also used to obtain information on grain quality traits

    but these are rarely subjected to the same level of statistical rigour. The data are often obtained

    using composite rather than individual replicate samples. This precludes the use of an

    efficient statistical analysis. In this paper we propose an approach in which a proportion of

    varieties is grain quality tested using individual replicate samples. This is achieved by embedding

    a partially replicated design (for measuring quality traits) within a fully replicated design

    (for measuring yield). This allows application of efficient mixed model analyses for both grain

    yield and grain quality traits.

Publication Date


  • 2009

Citation


  • Smith, A. B., Thompson, R. & Cullis, B. R. (2009). Embedded partially replicated designs for grain quality testing. XIV meeting of the Biometrics in Plant Breeding Section: Book of Abstracts (pp. 27-27). Scottish Crop Research Institute.

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=9408&context=infopapers

Ro Metadata Url


  • http://ro.uow.edu.au/infopapers/2073

Start Page


  • 27

End Page


  • 27